griffin itrip auto universal plus fm transmitter and power for portable audio players at BizRate

Griffin calls this particular one "auto" because it gets its power from your vehicle's 12 volt ac... Buy it:

$34.99 at ClubMac

Griffin calls this particular one "auto" because it gets its power from your vehicle's 12 volt ac... Buy it:

$44.99 at MacMall

Griffin calls this particular one "auto" because it gets its power from your vehicle's 12 volt ac... Buy it:

$34.99 at OnSale